Is amber a turpentine?

Some are, some are not
The text of grade six is made of rosin balls after a long time
Are you in sixth grade?
ME TOO

RELATED INFORMATIONS

1. Fill in the blanks with the following questions about the formation of turpentine balls! Conditions of speculation: reasons for speculation: 1. It has to happen in summer 2. It has to happen in the pine forest 3. Spiders are about to pounce on flies 4. The resin should be dripped continuously It should be: fill in the blanks with the knowledge about the formation of turpentine balls!
2. The number of electrons transferred from 0.1 mole of magnesium to MgO and mg3n 2 is 0.2 Na, right?
3. What's the electronic formula for magnesium nitride? It's electronic,
4. The electronic form of magnesium nitride?
5. Magnesium nitride electronic type
6. Help explain the formation and process of urine in detail
7. The process and illustration of urine formation
8. As shown in the figure is a sketch of the formation of urine: (1) in the figure, ② is______ (2) liquid (3) is______ The liquid is______ The difference between the two liquids is that the liquid does not contain______ (3) in a patient's urine test results, found more red blood cells. If it is kidney disease, you think it may be the mark in the picture______ There was a lesion
9. The structure of the original urine and urine is (on-line, etc.) in turn A glomerulus and tubule B corpuscle and nephron C renal vesicle and ureter D glomerulus and pelvis
10. The meaning of the difference between the purchase and sale of goods or some specific explanations and examples Is there any concrete example of the price difference between purchase and sale~ Please attach the definition of "price difference between purchase and sale of goods"
11. The area of a rectangular desktop is square meters. A square desktop is nine tenths of a meter long. How much more is the area of a rectangular desktop than that of a square desktop?
12. In the triangle ABC, a, B and C are the diagonals of side a, B and C respectively, and A-B = 4, a + C = 2B. The maximum angle is 120 degrees?
13. It is known that when △ ABC, ∠ ACB = 90 °, CE ⊥ AB is on e, D is a point on AB, and ad = AC, AF square ∠ CAE intersects CE on F, FD ∥ BC is proved
14. The square of one plus the square of two plus the square of three Plus the square of n equals?
15. The sum of the numerator and denominator of a fraction is 21. After the denominator is increased by 19, you can get the simplest fraction 1 / 4, and find the original number. Hurry, I have to hand it in this afternoon. Who will say it quickly
16. What is the Chinese meaning of the English abbreviations "UNECO", "PLA", "ABC", "IBM", "IOC", "CAAC", "MBA", "NBA", "DDD", "EMS"? Change "UNESCO" to "UNESCO"
17. As shown in the figure, make the bisector ad of angle ∠ a of △ ABC, if AC + CD = AB, AC = BC, find the area of triangle ABC Under the condition of (1), extend ad to e, make ∠ DCE = CAD, prove that ad = 2ce
18. In the known △ ABC, a = 45 °, C = 30 ° and C = 10cm, the triangle is solved
19. The definition and range of y = 3arcsin (x-1)
20. If a > 0, B